I followed the steps provided by the team in the following link with no results. I have tried both Brave and Chrome with the same results. Every single other website works with my Pixel Buds Pro with the exception of Zendesk. I can confirm that the browser settings have microphone enabled and it still does not work. I am able to place the call via ZD but there is no audio playing out of either the buds or the desktop speakers.

Any help would be appreciated. Thanks so much.
Thanks for reaching out! Zendesk only has these parameters for choosing the right headset, please see below:
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Analog headset: These plug into the 3.5mm headphone socket on a computer and generally give the best call quality. We recommend a dedicated headset for agents. A headset from a cell phone, for example, might not give optimum audio and microphone quality.
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Digital headset: These usually connect to a computer USB port or digital audio port and also provide a good experience for agents.
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Wireless headset: Typically, Bluetooth or mobile phone headsets. These will work but might be susceptible to poor quality audio and connection problems.
As you can see, it stated that wireless headset will work but might be susceptible to poor quality audio and connection problems.Hope that helps!